AirHint found the following cheapest return flights from Helsinki (HEL) to Dublin (DUB) in December 2025 (see full year).

Return flights

05 Dec - 07 Dec	Finnair	direct
11 Dec - 14 Dec	Finnair	direct
08 Dec - 11 Dec	Ryanair
08 Dec - 11 Dec	Finnair	direct
26 Dec - 29 Dec	airBaltic
27 Dec - 01 Jan	airBaltic
28 Dec - 01 Jan	airBaltic
27 Dec - 30 Dec	airBaltic
22 Dec - 04 Jan	airBaltic
22 Dec - 04 Jan	Finnair	direct
27 Dec - 02 Jan	Lufthansa
27 Dec - 02 Jan	Finnair	direct
27 Dec - 30 Dec	Finnair	direct
21 Dec - 26 Dec	Finnair
28 Dec - 01 Jan	Finnair	direct
27 Dec - 01 Jan	Finnair	direct

Also check the deals for one-way flights from Helsinki to Dublin in December.

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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Cheapest return flights from Helsinki to Dublin in December from $180

Return flights